Add contributor to CLA whitelist

Author: ZoteTheMighty

.github/workflows/clabot.yml

@@ -14,7 +14,7 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        whitelist: "LPGhatguy,ZoteTheMighty,cliffchapmanrbx,MisterUncloaked"
+        whitelist: "LPGhatguy,ZoteTheMighty,cliffchapmanrbx,MisterUncloaked,matthargett"
         use-remote-repo: true
         remote-repo-name: "roblox/cla-bot-store"
         remote-repo-pat: ${{ secrets.CLA_REMOTE_REPO_PAT }}